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Flow Meters and Flow Switches
- Mass Flow - Coriolis & Thermal Dispersion
- DP-Transmitters, Indicators & Switches
- Orifice Plates, Venturis, Flumes, Weirs
- Impeller Meters, Turbine Meters, PD Meters
- Magmeters, Open Channel Flow
- Variable Arca (Rotameters), Vortex Shedding
- Ultrasonic Meters (Clamp-on & Portable)
- Doppler & Transit Time
Level Measurement - Transmitters, Switches, Indicators
- Capacitance/RF, Hydrostatic & Thermal Dispersion
- Ultrasonic & Radar
- Telemetry - Inventory Control
Pressure
- Transmitters, Indicators, Switches
- Pressure Calibrators, I/P & P/I
Temperature
- Complete Line of Thermocouples, RTDs, Thermal Wells
- Temperature Transmitters
Calibrators & Signal Conditioning
- Process Calibrators (mA, V. RTD. T/Cs, Frequency)
- Hand Pumps
- Digital Indicators, Signal Conditioners
- Alarm Trips, Isolators
- Recorders and Data Loggers, Totalizers
Valves
- Control Valves & Regulators
- Specialty Valves - Tank Blanketing Systems
- Safety Relief Valves - Direct & Pilot Operated
Copyright © 1999-2007 M. L. Johnson Co. All Rights Reserved.
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